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configur ehot spare in RAID 6

 
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donkarnash_1
Frequent Advisor

configur ehot spare in RAID 6

Hello,
I have a proliant ML 570G4 server and I have 8 x 146 G SAS drives and smart array P400. Can I have RAID 6 for the 7 and one as hot space.
Can anyone please advise how. thanks
also is RAID 5 better or RAID 6 to run oracle db on windows 2003 server.
8 REPLIES
James ~ Happy Dude
Honored Contributor
Solution

Re: configur ehot spare in RAID 6

Hello,
RAID 6 with 7 HDD + 1 Hot Spare = POSSIBLE.
I would recommend RAID 6 if REDUNDANCY is your priority for your database server.

Regards,
donkarnash_1
Frequent Advisor

Re: configur ehot spare in RAID 6

Hi,
I cannot see any option to keep one HDD as hot spare in the array config utility. I can see the option to select all HDD and then create array but cannot see an option to have one as hot spare.
Darmin
Occasional Visitor

Re: configur ehot spare in RAID 6

You would first have to create the array without using the drive that you intend to use as spare, than go back to ACU and add a hot spare.
James ~ Happy Dude
Honored Contributor

Re: configur ehot spare in RAID 6

Refer guides:
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual〈=en&cc=us&docIndexId=64179&taskId=101&prodTypeId=18964&prodSeriesId=468780

Regards,
donkarnash_1
Frequent Advisor

Re: configur ehot spare in RAID 6

Hi, I did as you mentioned, attached is the doc. so in case if a HDD fails, this spare one would be onlined automatically.

is it a good idea to have one spare drive for a db which will be about 1 T ?
James ~ Happy Dude
Honored Contributor

Re: configur ehot spare in RAID 6

>so in case if a HDD fails, this spare one would be onlined automatically. >> YES.

>is it a good idea to have one spare drive for a db which will be about 1 T ? >> Its a Great Idea ! Even better if you can assign 2 HDDs. Since its a DB server I reckon Data will be very important. Unless this server is clustered Or u have other regular back up methods, 2 Online Spare should give a better peace of mind.

Regards,
donkarnash_1
Frequent Advisor

Re: configur ehot spare in RAID 6

James, thank you very much for your reply. I think due to storage space constraints, I cannot allocate more than 1 HDD as spare.
James ~ Happy Dude
Honored Contributor

Re: configur ehot spare in RAID 6

:-) I would also recommend you to keep atleast ONE HDD in stock. Precaution is better than cure !!

Good Luck !

Regards,